Nielsen H, Johansson L, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3410638 A1, 2019-09-26.
Lefèvre J P, Sørensen M, Kowalski A. "Method for the Synthesis of 6-(4-Methoxyphenyl)-9H-purin-2-amine" [P]. European Patent, EP 3528146 A1, 2017-03-25.
发明人沈红梅,何建平,徐明华. "A Process for Preparing High-Purity 6-(4-Methoxyphenyl)-9H-purin-2-amine" [P]. 中国发明专利, 专利号 CN 115948782 A, 授权公告日 2020-06-09.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 1360, (7), 1611-1628.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 593, (9), 9122-9146.